388487768361 has 32 divisors (see below), whose sum is σ = 645963724800. Its totient is φ = 201759991680.

The previous prime is 388487768341. The next prime is 388487768363. The reversal of 388487768361 is 163867784883.

It is not a de Polignac number, because 388487768361 - 2²⁵ = 388454213929 is a prime.

It is a super-2 number, since 2×388487768361² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (388487768363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 693580 + ... + 1121618.

It is an arithmetic number, because the mean of its divisors is an integer number (20186366400).

Almost surely, 2^388487768361 is an apocalyptic number.

It is an amenable number.

388487768361 is a deficient number, since it is larger than the sum of its proper divisors (257475956439).

388487768361 is a wasteful number, since it uses less digits than its factorization.

388487768361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431989.

The product of its digits is 260112384, while the sum is 69.

The spelling of 388487768361 in words is "three hundred eighty-eight billion, four hundred eighty-seven million, seven hundred sixty-eight thousand, three hundred sixty-one".